Classify metrics that reflect change failure rate, recovery, or vanity activity.
Change failure signal Recovery signal Vanity or context metric Percentage of deployments that cause rollback, hotfix, incident, or SLO violation Count of releases that required emergency remediation within 24 hours Median time from failed deploy detection to customer-impact restoration Time between incident declaration and SLO returning to normal burn Number of commits merged this week Average pull request size by repository
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